VIDEO : Stephen Colbert Signs Off Tonight: 10 Amazing Celebrity Cameos on The Colbert Report Through

Stephen Colbert's Emmy-winning, genre-busting Comedy Central show airs its last tonight, meaning the Brooks Brothers-suited host will be off the grid for some time before he shakes his pundit-spoofing persona and takes over for David Letterman as host of the Late Show. And there are so many ways to celebrate the Report and what Colbert accomplished over the past nine, it's hard to just begin, but...E! has compiled the top 10 all-time celebrity cameos on The Colbert Report.